43480

Appears in sequences

• Numbers which when multiplied by any repunit prime Rp give a Smith number.at n=23A104167
• G.f.: Sum( x^k/(1-2*x+x^k), k=1..oo).at n=19A186537
• Total sum of parts of multiplicity 9 in all partitions of n.at n=47A222737
• Number of nXn 0..1 arrays with every element unequal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=5A316117
• Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=5A316121
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=60A316123